Nissan X-Trail 2023 Owners Manual
7.17.6. System malfunction
When the Intelligent Blind Spot Intervention system malfunctions, it will be turned off automatically, the Intelligent Blind Spot Intervention indicator illuminates and a chime will sound, and the [System fault See Owner's Manual] warning message will appear in the vehicle information display.
Action to take:
Stop the vehicle in a safe location and push the park button to engage the "P" (Park) position. Turn the engine off and restart the engine. If the warning message continues to appear, It is recommended you visit a NISSAN dealer or qualified workshop for this service.
Owners Manual